metallic copper是什么意思 metallic copper怎么读
metallic copper的用法和样例
- Atomic oxygen in a low earth orbit is very active in chemical reactions, and it can oxidate copper.
低地球轨道的原子氧化学性能非常活泼，能使金属铜氧化。 - In many porphyry copper deposits, additional enrichment of the metal has been caused by surficial weathering.
在许多斑岩铜矿矿床中，地表风化使得金属铜进一步富集。
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